Marble, a metamorphic rock, forms when limestone re - crystallizes.大理岩, 变质岩, 形成时当石灰石重新结晶.Nitrosoguanidine crystallizes when the solution is cooled to 0℃.当萃取液冷却至0℃时,亚硝基胍结晶析出....a 19th century technique that actually cryst...
Water crystallizes to form snow.水结晶成雪.Nitrosoguanidine crystallizes when the solution is cooled to 0℃.当萃取液冷却至0℃时,亚硝基胍结晶析出.Marble, a metamorphic rock, forms when limestone re - crystallizes.大理岩, 变质岩, 形成时当石灰石重新结晶....